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Configure a Switch
LAN Switching and Wireless Chapter 2
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Objectives
Summarize the operation of Ethernet as defined for100/1000 Mbps LANs in the IEEE 802.3 standard.
Explain the functions that enable a switch to forwardEthernet frames in a LAN.
Configure a switch for operation in a networkdesigned to support voice, video, and datatransmissions.
Configure basic security on a switch that will operatein a network designed to support voice, video, anddata transmissions.
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Ethernet as defined in the IEEE 802.3 standard
Key elements of Ethernet/802.3 networks
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Ethernet as defined in the IEEE 802.3 standard
Key elements of Ethernet/802.3 networks
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Key elements of Ethernet/802.3 networks
Ethernet as defined in the IEEE 802.3 standard
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Key elements of Ethernet/802.3 networksEthernet frame
MAC address
Ethernet as defined in the IEEE 802.3 standard
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Key elements of Ethernet/802.3 networks
Ethernet as defined in the IEEE 802.3 standard
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Key elements of Ethernet/802.3 networks
Ethernet as defined in the IEEE 802.3 standard
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The MAC table
MAC Addressing and Switch MAC Tables
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Collision domains:
802.3 -> collisions -> loss of bandwidth
Hubs vs. switches
Collision and Broadcast domains
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Key elements of Ethernet/802.3 networks Uncontrolled Collision and broadcast domains
Collision and Broadcast domains
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Collision and Broadcast domains
Key elements of Ethernet/802.3 networks- Uncontrolled Collision and broadcast domains
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Key elements of Ethernet/802.3 networks Controlled Collision and broadcast domains
Collision and Broadcast domains
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Ethernet as defined for 100/1000 Mbps LANs inthe IEEE 802.3 standard
Design considerations for Ethernet/802.3 networks
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Ethernet and the IEEE 802.3 standard
Design considerations for Ethernet/802.3 networksControlling Network Latency
Removing Network Bottlenecks
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Ethernet and the IEEE 802.3 standard
Exercises
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Ethernet and the IEEE 802.3 standard
Exercises
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Ethernet and the IEEE 802.3 standard
Exercises
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Ethernet and the IEEE 802.3 standard
Exercises
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Ethernet and the IEEE 802.3 standard
Exercises
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Ethernet and the IEEE 802.3 standard
Exercises
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Ethernet and the IEEE 802.3 standard
Exercises
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Ethernet and the IEEE 802.3 standard
Exercises
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Ethernet and the IEEE 802.3 standard
Exercises
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Switch forwarding methods: Store-and-forward (used on current Cisco Catalyst switches)
Cut-through:
Fast-forward
Fragment-free
Functions that Enable a Switch to ForwardEthernet Frames in a LAN
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Switch forwarding methods
Functions that Enable a Switch to ForwardEthernet Frames in a LAN
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Functions that Enable a Switch to ForwardEthernet Frames in a LAN
Symmetric and asymmetric Switching
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Functions that Enable a Switch to ForwardEthernet Frames in a LAN
How memory buffering works Switch may store frames before forwarding
May also store frames due to congestion at destination
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Functions that Enable a Switch to ForwardEthernet Frames in a LAN
Comparing Layer 2 with Layer 3 switching
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Configuring a Switch for Operation
Cisco IOS commands used to navigate the CLI
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Configuring a Switch for Operation
Cisco IOS commands used to navigate the CLI
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Configuring a Switch for Operation
The boot sequence of a Cisco switch
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Configuring a Switch for Operation
How to prepare the switch to be configured
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Configuring a Switch for Operation
Performing a basic switch configuration
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Configuring a Switch for Operation
Performing a basic switch configuration
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Configuring a Switch for Operation
Performing a basic switch configuration
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Configuring a Switch for Operation
Performing a basic switch configuration
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Configuring a Switch for Operation
Performing a basic switch configuration
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Configuring a Switch for Operation
Performing a basic switch configuration
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Configuring a Switch for Operation
Managing the MAC address table To show the MAC address table:
show mac-address-table
To create a static mapping in the MAC address table:
mac-address-table static vlan interface
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Configuring a Switch for Operation
To verify the Cisco IOS configuration using the Showcommand
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Configuring a Switch for Operation
To verify the Cisco IOS configuration using the Showcommand
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Configuring a Switch for Operation
To manage the Cisco IOS configuration files
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Configuring a Switch for Operation
To manage the Cisco IOS configuration files To backup to a TFTP server:
To clear contents of startup configuration:
erase nvram: or erase startup-config
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Configuring Basic Security on a Switch
Cisco IOS commands
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Configuring Basic Security on a Switch
Cisco IOS commands